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I am developing an automotive electronics module whose purpose is to electronically emulate the factory suspension feedback system in a vehicle. The module’s function is to reproduce the sensor feedback signals expected by the OEM controller so the vehicle continues to see a valid suspension state when the original dampers or related hardware are removed or replaced. Scope of work: * Design a compact automotive-grade PCB schematic and layout for this emulator. * Implement the required signal generation and conditioning so the ECU receives the correct suspension feedback signals. * Account for the expected signal characteristics, including voltage ranges, timing behavior, pull-ups/pull-downs, filtering, and protection. * Select components that are suitable for automotive electrical noise, temperature, and vibration conditions. * Prepare the design for manufacturing, including DFM review. I will provide: * Connector pinout for the suspension-related interfaces * Measured waveforms / expected sensor behavior from the factory system * Functional requirements for the signals that must be emulated You will provide: * Complete schematic * PCB layout * BOM with readily available components * Gerbers * Pick-and-place files * Brief bench-test notes confirming the board outputs the required feedback signals when powered and stimulated as specified Preferred experience: * Automotive electronics * Mixed-signal PCB design * Signal conditioning / sensor emulation * EMC-aware design for noisy vehicle environments * CAN-bus familiarity is a plus, even though the main task is signal emulation rather than CAN modification Important: This is not a hobby or Arduino-style project. I need a design that is manufacturable and robust enough for automotive use. Please respond with: * Relevant past work * Recommended CAD tool * Estimated timeline * Fixed-price quote
ID do Projeto: 40321322
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41 freelancers estão ofertando em média $676 USD for esse trabalho

I am a skilled and reliable Embedded Systems Engineer with over 6 years of hands-on experience in Arduino, ESP32/ESP8266, and microcontroller-based development. I specialize in designing efficient, stable, and scalable embedded solutions, turning ideas into fully functional hardware-software systems. I have a strong background in electronics, sensors, communication protocols (UART, I2C, SPI, MQTT, WiFi, BLE), and real-time embedded systems. My development approach focuses on clean, well-structured, and well-documented firmware, ensuring long-term reliability and easy maintenance. I also provide thorough testing, debugging, and performance optimization, including power efficiency improvements where required. I am a detail-oriented engineer with strong problem-solving skills and extensive experience in hardware debugging and firmware optimization. Beyond technical expertise, I value clear communication, meeting deadlines, and maintaining high client satisfaction. I work closely with clients to fully understand project requirements and deliver high-quality results. Pricing is flexible and can be discussed based on project scope and complexity. I am open to both short-term and long-term projects. Let’s work together to build a professional, reliable, and efficient embedded system for your needs.
$500 USD em 7 dias
7,4
7,4

Having spent years as an electronic hardware and firmware engineer, I have honed my skills in designing robust and manufacturable PCBs, similar to what your project requires. My expertise in mixed-signal and RF PCB design is well-suited for the needs of your suspension emulator. I regularly work with power supply circuits, multilayer designs for embedded systems and have extensive experience with sensor emulation, all of which are essential for this project. Also, my understanding of CAN-bus will be instrumental even though the focus is on signal emulation rather than CAN modification. My previous projects include developing efficient LED driver circuits and RF PCB layouts—both tasks that needed a deep understanding of signal generation and conditioning like the one required here. Furthermore, I've worked extensively on communication protocols such as UART, SPI, Ethernet, USB and CAN which is a strong advantage in implementing the expected signal characteristics for your vehicle. Given these qualifications, I am confident that we can achieve an excellent outcome within your timeline while staying within budget. Looking forward to having a fruitful collaboration!
$500 USD em 7 dias
6,7
6,7

With over 8 years of professional experience in Electrical and Electronics Engineering, I am the ideal candidate for your Suspension Emulator project. My expertise includes Circuit Design, Microcontroller programming, Signal Processing and PCB Layout - all skills which are directly applicable to your project's requirements. Throughout my career, I have worked extensively on automotive electronics and mixed-signal PCB designs. I understand the importance of implementing your expected signal characteristics, from voltage ranges to timing behavior and filtering, to ensure smooth operation even in the face of electrical noise, temperature and vibration conditions unique to automotive systems. I mostly use Altium and Eagle CAD tools which enable me to produce high-quality PCB designs tailored to their respective manufacturing processes. My approach to your project would involve a detailed literature review on suspension-related interfaces, understanding the factory waveforms/behavior you'd provide, before proceeding with necessary schematics and layouts. I am committed to delivering top-notch work within the agreed timeline and at an affordable price without compromising on quality or manufacturability. With my past experiences and technical skills in engineering, I guarantee satisfying results that turn your ideas into reality. Let's discuss further on your specific needs so that we can make this project a success!
$500 USD em 7 dias
6,7
6,7

Since 2003 I am working in Digital Electronic. So more than 18 years of experience in Electronics. Arduino NANO/UNO/MEGA, ESP32 and Raspberry PI to build a digital device to read sensor data and send it to the web server, motor control, control relay switches and LEDs. More than 5(five) years of experience in Arduino design and build. If you want an excellent and error-free project delivery, then send a message to me, please. Have more than 10(years) years of experience in C/C++ to build Windows/Linux applications and micro-controller firmware building. If you want a good job delivery, then send a message to me, please. Since 1995 I have been working on Analog and Digital Electronics to build any kind of device. I have build lots of devices. So more than 20 years of experience on Electronics. Including power supply design. Any kinds of schematic and PCB design. Expert PCB design in EasyEDA Pro IDE.
$750 USD em 30 dias
6,7
6,7

Hello, I understand your core challenge is maintaining valid suspension feedback signals after removing OEM hardware, which often leads to ECU errors, limp modes, or warning faults due to missing or mismatched sensor characteristics. Your system requires precise emulation of voltage levels, timing behavior, and signal integrity under harsh automotive conditions, which is critical and not achievable with generic designs. I will design a robust, automotive-grade mixed-signal PCB that accurately reproduces the required feedback using controlled signal generation (DAC/PWM + filtering), proper pull networks, and protection circuits (load dump, TVS, reverse polarity). The design will ensure ECU compatibility by matching impedance, timing, and waveform behavior exactly as per your provided measurements. I have 12 years of experience in automotive and embedded electronics, including sensor emulation and ECU interfacing systems deployed in real environments. For this project, I will use Altium Designer to deliver a high-quality schematic, multilayer PCB layout, and complete manufacturing files with DFM compliance. You will receive schematic, PCB, BOM, Gerbers, pick-and-place, and bench validation notes confirming correct signal output. Estimated timeline is 2–3 weeks depending on signal complexity and validation cycles. I focus on reliability, noise immunity, and production-ready design rather than hobby-level solutions. — Engineer Muhammad Usman
$500 USD em 7 dias
6,7
6,7

Hi,KINDLY READ THROUGH MY PROPOSAL THIS IS WHAT I WILL DO - Design a compact, automotive-grade PCB that accurately emulates the factory suspension sensor feedback signals expected by the OEM ECU. - Implement precise signal generation and conditioning (voltage levels, timing, pull-ups/pull-downs, filtering, protection) based on the waveforms and pinout you provide. - Select robust components rated for automotive conditions (temperature, vibration, EMI). - Ensure DFM compliance for reliable JLCPCB or similar production. - Deliver: full schematic & PCB layout (Altium), BOM with automotive-grade parts, Gerbers, pick-and-place, and bench-test notes proving correct signal output when stimulated. RELEVANT PROJECTS - 2024: ECU signal emulator for active suspension system (ride-height + damper feedback) – compact PCB, automotive-grade components, in-vehicle validation. CAD TOOL Altium Designer 24 or KiCAD(preferred for automotive mixed-signal work; full source files provided). TIMELINE & QUOTE - Schematic review: 1-2 days - Layout + manufacturing files: 6-9days total - Fixed price: $1,200 (two revision rounds included) but i’m open to your offer QUESTIONS - Can you share the pinout, measured waveforms, and exact signal requirements? - Target board dimensions or enclosure constraints? - Any specific EMC or vibration standards to meet? Automotive electronics specialist with strong sensor-emulation experience. Ready to start once I receive the technical details.
$1.200 USD em 8 dias
6,3
6,3

Hello, I understand you need a clean, manufacturable automotive-grade PCB that emulates suspension feedback signals for an ECU. I will design a compact schematic and layout that withstands automotive noise, vibration, and temperature, with robust signal conditioning to match the OEM sensor characteristics. My approach: define the interface pinout and signal specs you provide, translate them into a high-integrity mixed-signal board, and create a DFY package ready for production (DFM checks, PCB stackup, component selection suited to automotive AEC-Q standards where possible). I will deliver a complete schematic, layout, BOM, Gerbers, pick-and-place data, and concise bench-test notes showing the emulator outputs match the expected waveforms when stimulated. I will keep a tight design review loop with you to ensure timing, voltage ranges, pull-ups/pull-downs, filtering, and protection meet the ECU requirements. What is the exact ECU sensor interface standard (voltages, timing, and impedance) we must emulate, and what are the critical failing modes we should harden against? Best regards,
$750 USD em 19 dias
6,0
6,0

Hey there! I’m Alok, A PCB, Circuit and Mechanical designer with a passion for turning ideas into rock-solid, high-performance circuit boards. even expert on Python, C, C++ With nearly a decade of experience, I’ve tackled everything from compact consumer gadgets to complex industrial systems—always with a focus on precision, efficiency, and reliability. # Schematic & Layout Design – Clean, optimized, and manufacturable. # Component Selection & Library Management – No surprises, just the right parts for the job. # Reverse Engineering – PCB cloning, replication, and improvements. # Gerber, BOM & CPL Generation – Ready for seamless production. # DFM & DFA Expertise – Because great design means smooth manufacturing. # Multi-Layer, Flex, & High-Density PCB Design – Whatever the project needs. If you need a PCB and Code that’s efficient, reliable, and built for real-world performance, let’s chat. I’d love to help bring your project to life!
$330 USD em 5 dias
5,6
5,6

I am Muhammad Javed, a professional PCB designer and Firmware developer with expertise in embedded systems, electronics prototyping, PCB layout, circuit design, and circuit simulation. I use the following tools for designing • Altium Designer | Proteus • KiCAD | Eagle CAD | EasyEDA • Multisim | LabVIEW • PSpice | LTspice • TinkerCAD As a Design Engineer, I've rich background in following: • Analog and digital circuit design • Embedded C/C++ Programming. • VHDL | Verilog, Quartus | Vivado • Microcontrollers like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. • IDEs like Keil MDK V5, ATmel studio and MPLab XC8. • Communication protocols like SPI, I2C, I2S, CAN, RS232, RS485, etc. My PCB design covers the following substances: Single Sheet to Multi sheet Schematics Single/double-sided and multi-layer PCBs layouts Power Supply (SMPS & LDOs) RF & High-speed layouts Typical data and control interfaces: UART, USB, SPI, I2C, SDIO etc. EMC/EMI emission control techniques I will provide you complete PCB design with Schematics diagram Gerber files Take and Place Bill of materials Components selection Assembly layout 3D Design
$500 USD em 7 dias
6,1
6,1

With broad and deep experience in PCB design and manufacture, particularly for automotive applications, I can offer you a level of expertise that is paramount for your suspension emulator project. As an electrical engineer with an inclination towards circuit design, I've notched up 11+ years of successful projects spanning numerous sectors. In addition to my solid experience, I have access to a professional fabrication and testing lab at the University of Oulu. Having this facility at my disposal will significantly speed up prototyping, validation, and hardware debugging. In relation to your project requirements, I offer a complete range of relevant services from smart component selection, mixed-signal design to manufacturing output facilitation necessary for Gerbers/ODB++, BOM, Pick and Place files, assembly documentation as well as DFM/DFMA optimization. The robustness of my designs is driven by the need to integrate them into JLCPCB, PCBWay environments and various contract manufacturers making sure they fit flawlessly into different scenarios. My history in embedded systems and firmware development would also be advantageous should you require any pertinent modifications during the process
$500 USD em 7 dias
6,3
6,3

Hi gustavodpv1976, This is quite similar to a project I delivered last week, so I can jump straight into execution. Ready to start immediately. For each channel, what exact signal does the ECU expect (0–5 V analog with required source impedance, PWM frequency/duty/timing, variable resistance range, or frequency), and what line diagnostics (open/short to batt/ground, plausibility timing) must be emulated? What is the power/EMC envelope: available supply rail, ISO 7637-2/16750 transient/load-dump levels, permissible ground offsets, and min/max ambient/underhood temps? Suggestions: Use an AEC‑Q100 MCU with DAC/PWM driving precision resistor/amp networks in closed-loop with ADC and NTC-based temp compensation to hold calibration across temp/aging. Harden I/O: TVS + reverse/over-voltage protection, RC/LC + common‑mode chokes, split analog/digital grounds with Kelvin return to ECU, shielded pinout; target CISPR 25 Class 3 and ISO 10605. Action Plan: 1) Requirements freeze + fault matrix. 2) Channel modeling; choose topology per signal. 3) Schematic + SPICE sims; AEC‑Q parts selection. 4) PCB stackup/layout with EMC/DFM review. 5) Fab outputs: schematic, BOM, Gerbers, CPL. 6) Bench bring‑up vs golden waveforms; report; minor tweak pass. Past work: Suspension delete and ABS sensor emulators; pedal position/ride‑height conditioners; ISO 7637‑2/10605 ECUs Best Regards, Sid
$727 USD em 5 dias
5,6
5,6

Hello! I'm a highly skilled PCB Designer with over 10 years of expertise in delivering reliable and efficient PCB designs. I specialize in creating precision designs tailored to client's needs, utilizing top-tier design tools such as Altium Designer, Autodesk Eagle, KiCad, EasyEDA, Siemens PADS, DipTrace, Allegro/OrCAD, Fritzing and Proteus. My goal is always to ensure the highest quality and performance in every project. Core Expertise : • Schematic Capture & Layout Design • Component Selection & Library Management • Reverse Engineering (PCB Replication, PCB Cloning) • Gerber, BOM, and CPL File Generation & Manufacturing Support • Design for Manufacturability (DFM) and Design for Assembly (DFA) • PCB Design & Development (Single, Double, Multi-Layer, Flexible PCBs) Industries Served : • Medical Devices • Telecommunications • Consumer Electronics • Industrial Equipment • Automotive Electronics • Safety and Security Devices Why Choose Me? • Attention to Detail and Commitment to Quality • Strong Communication Skills & Client-Centric Focus • Timely Delivery & Flexible Approach to Meet Project Requirements I would love to help you with your next PCB design project. Feel free to reach out, and let’s discuss how I can bring your ideas to life! Best Regards, Utpal
$550 USD em 5 dias
5,3
5,3

I can design a compact, automotive-grade PCB to emulate suspension feedback signals with high accuracy and reliability. I’ll translate your measured waveforms into stable signal generation/conditioning circuits, ensuring correct voltage levels, timing, filtering, and ECU compatibility. The design will follow EMC-aware practices for noisy environments, with proper protection (ESD, load dump), robust component selection, and temperature/vibration tolerance. I’ll deliver a clean schematic, optimized PCB layout, and a manufacturable design with full DFM review. Deliverables include BOM (automotive-grade parts), Gerbers, pick-and-place, and concise bench-test notes validating signal outputs against your specifications. I recommend Altium Designer for precision and industry-standard outputs. Estimated timeline: 2–3 weeks. Thanks, Asif.
$750 USD em 11 dias
5,2
5,2

Hi, This project aligns very well with my experience in automotive electronics and mixed-signal PCB design. I previously worked on an automotive system based on an ST MCUs with **FD CAN interfaces and other Automotive Communication protocols **, handling signal conditioning, robust PCB layout, and noise-resilient design—making this project a strong match. For your suspension emulator, I propose a **robust automotive-grade architecture** based on an STM32 MCU, with precise signal generation (DAC) and carefully designed analog front-end stages using rail-to-rail op-amps. This ensures accurate emulation of the required sensor feedback signals while maintaining stability in noisy vehicle environments. The design will include a **dedicated power section** built with onboard converters, reverse polarity protection, and proper automotive protection (TVS, filtering). The microcontroller, input/output stages, and DAC section will be designed for high reliability and manufacturability. **Timeline:** 10–15 working days **Fixed Price:** $500 You will receive the full deliverables: schematic, PCB layout, BOM, Gerbers, pick-and-place files, and validation notes. Looking forward to reviewing your provided waveforms and requirements to finalize the implementation. Mahmoud Ibrahim Automotive Embedded System Engineer.
$500 USD em 7 dias
5,3
5,3

Hi, find my TOP NOTCH similar work on the Automotive Sensor Emulation PCB Package project. The project included automotive grade boards for signal conditioning and ECU feedback. Before moving forward, just let me know: Should the emulator outputs be designed with programmable signal shaping for flexibility, or fixed analog conditioning circuits tuned to the measured waveforms? Project Deliverables • Complete schematic • PCB layout optimized for compact automotive installation • BOM with readily available components • Gerber and drill files ready for fabrication • Pick and Place files (Feel free to ask if you would like to add any additional deliverables) Tools I Use • Altium Designer / KiCad I am ready to deliver a PCB design with schematic, layout, and fabrication files. The focus will be on automotive performance, signal emulation, and manufacturability. The design and documentation will be aligned with ISO and IPC standards. Let me know when you’re ready, and I will get started at a time that works best for you. Best regards, Abubakar Muhammad
$650 USD em 7 dias
5,1
5,1

My choice of CAD tool is dependent on the project requirements, but I am comfortable working with common ones such as Altium and Eagle. As for the estimated timeline, this will be influenced by a detailed understanding of your emulator's specifications. However, I assure you that I will work diligently while maintaining high quality standards for an optimal turnaround time. As a seasoned designer familiar with EMC-aware design for noisy environments including those typical of vehicles, I believe my skillset aligns exceptionally well with your needs. Given this opportunity, rest assured you will receive not only an impeccable schematic and PCB layout but also well-documented files like BOMs and Gerbers to smoothen your manufacturing process. Additionally, I am keen on conducting brief bench-test notes to provide solid evidence that the board outputs the required feedback signals accurately when powered and stimulated as specified. Contact me today for a fixed-price quote based on a more detailed discussion of your project specifics.
$500 USD em 7 dias
5,2
5,2

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq
$505 USD em 7 dias
4,5
4,5

Hi, I am a senior automotive electronics engineer with 9+ years of experience designing mixed-signal PCBs for OEM and aftermarket systems. I have delivered 15+ automotive-grade modules, including sensor emulation and actuator interfaces, achieving ISO 16750 compliance and full bench/environmental testing. In one project, I developed a suspension sensor emulator successfully replicating factory signals for over 10 vehicle models. Approach: ✅ I will analyze the provided connector pinout and measured waveforms to define precise signal requirements. ✅ I will design a compact automotive-grade schematic and PCB layout with EMC-aware routing, filtering, and protection. ✅ I will implement signal generation and conditioning circuits to accurately emulate factory suspension feedback. ✅ I will finalize the design with DFM review, automotive-grade BOM, Gerbers, and bench-test documentation. Questions: ✅ Are the suspension feedback signals purely analog, or do they include digital/PWM elements? ✅ What are the exact voltage and timing tolerances for each signal channel? ✅ Should the emulator support dynamic response under transient loads, or only steady-state signals? ✅ Are there any specific environmental standards beyond general automotive requirements? I am ready to deliver a complete manufacturable solution with CAD files, BOM, and bench-test validation. Best, Yaroslav
$600 USD em 7 dias
4,5
4,5

Best Suspension Emulator PCB Design Expert! ⭐⭐⭐⭐⭐ Hi, The real challenge isn’t just designing a PCB—it’s ensuring the ECU fully trusts the emulated signals under real-world automotive conditions. That requires precise timing, accurate voltage levels, EMC-aware layout, and components that survive vibration, temperature extremes, and electrical noise. In projects like this, success is measured by whether the ECU interprets every signal exactly as the OEM expects, every time. I would approach this by analyzing the OEM sensor signals in detail, then designing an EMC-aware PCB that reproduces them precisely under all automotive conditions, with manufacturability and bench-test validation in mind. ✅ Relevant past work: I’ve delivered multiple automotive-grade mixed-signal PCBs, including sensor emulation and ECU interfaces, all tested for vibration, temperature, and EMC compliance. ✅ Recommended CAD tool: I use Altium Designer to ensure precise layout, signal integrity, and DFM-ready production files. A couple of questions to clarify before diving in: 1. Which signals are most sensitive to timing or amplitude errors? 2. Any known electrical noise challenges in the vehicle environment? I can deliver a full turnkey, production-ready solution with bench-tested verification. If you’d like, I can also share a short demo from a similar project showing how I preserve OEM-level signal fidelity in real vehicles. Best regards, Prat PCB Must Innovations
$500 USD em 4 dias
6,4
6,4

Hello, I'm Hassan E. from SINZOTECH, and I am excited about the opportunity to work on the PCB Design for your Suspension Emulator project. With over 5 years of experience in electronics engineering and a solid background in automotive electronics, I understand the importance of creating a robust and manufacturable design that meets strict automotive standards. My experience with mixed-signal PCB design, as demonstrated in my Crash Force Measurement project where I developed a high-precision PCB for automotive safety certification, aligns perfectly with your requirements for signal generation and conditioning to emulate factory suspension feedback signals. I will utilize Altium or KiCad for the schematic and PCB layout design, ensuring the implementation of appropriate filtering and protection circuitry to accommodate the electrical noise and temperature variations inherent in automotive environments. The deliverables will include a complete schematic, PCB layout, BOM with readily available components, Gerbers, pick-and-place files, and bench-test notes validating the board's performance against specified requirements. I propose a fixed bid of $500 and an estimated delivery period of 14 days. I am confident at 85% that this is a good project for me to take on, and I would love to discuss it further. Please let me know a suitable time for a quick call.
$500 USD em 14 dias
3,9
3,9

Naucalpan, Mexico
Membro desde mar. 24, 2026
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